Keyboard



1. Keyboard

1.1 : Top, rear and left side perspective view

1.2 : Top, rear and right side perspective view

1.3 : Rear plan view

Drawings 1.1 to 1.3 depict an ornamental design for a keyboard; the evenly dotted broken lines in drawings 1.1 to 1.3 illustrate unclaimed features of a keyboard and form no part of the claimed design. 

CLAIM The ornamental design for a keyboard, as shown and described. 